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Related Experiment Videos

Seminal plasmin

N Sitaram1, R Nagaraj

  • 1Centre for Cellular and Molecular Biology, Hyderabad, India.

Bioessays : News and Reviews in Molecular, Cellular and Developmental Biology
|May 1, 1995
PubMed
Summary
This summary is machine-generated.

Researchers discovered a peptide in bovine seminal fluid with potent antimicrobial properties and the ability to modulate calcium transport in sperm. This finding highlights a novel molecule with dual biological functions.

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Area of Science:

  • Reproductive Biology
  • Microbiology
  • Biochemistry

Background:

  • Seminal plasma's role in fertilization has long been recognized.
  • Early observations in 1940 indicated seminal plasma's antimicrobial capabilities.
  • This led to a search for antimicrobial factors within seminal fluid.

Purpose of the Study:

  • To identify and characterize antimicrobial molecules in seminal plasma.
  • To investigate the biological activities of a specific peptide isolated from bovine seminal fluid.
  • To explore the peptide's antimicrobial and calcium transport modulatory properties.

Main Methods:

  • Isolation and characterization of a 47-residue peptide from bovine seminal fluid.
  • Assessment of the peptide's antimicrobial activity against various microorganisms.

Related Experiment Videos

  • Evaluation of the peptide's effect on calcium transport in bovine sperm.

    • Main Results:

    • A 47-residue peptide with significant antimicrobial activity was identified.
    • The peptide demonstrated potent inhibition of microbial growth.
    • The same peptide was found to modulate calcium transport in bovine sperm.

    Conclusions:

    • Bovine seminal fluid contains a peptide with dual biological functions: antimicrobial activity and calcium transport modulation.
    • This peptide represents a novel factor with potential applications in both reproductive physiology and antimicrobial therapy.
    • The discovery underscores the complex and multifaceted nature of seminal plasma components.